[Fusion] Omitted paths from satisfiability error messages by default

[glen-84]

Summary of the changes (Less than 80 chars)

• [Fusion] Omitted paths from satisfiability error messages by default.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (6118dfb) to head (12b1f65).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@     Coverage Diff      @@
##   main   #9052   +/-   ##
============================
============================

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[github-actions]

🚀 Fusion Gateway Performance Results

Simple Composite Query

Constant Load (50 VUs)

Requests/sec	Error Rate
5821.67 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.81ms	7.16ms	162.21ms	8.43ms	13.14ms	18.63ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
4511.78 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.80ms	38.41ms	257.37ms	49.21ms	111.29ms	129.45ms

Executed Query

fragment User on User {
  id
  username
  name
}

fragment Review on Review {
  id
  body
}

fragment Product on Product {
  inStock
  name
  price
  shippingEstimate
  upc
  weight
}

query TestQuery {
  topProducts(first: 5) {
    ...Product
    reviews {
      ...Review
      author {
        ...User
      }
    }
  }
}

Deep Recursion Query

Constant Load (50 VUs)

Requests/sec	Error Rate
268.79 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
12.68ms	174.81ms	616.30ms	180.43ms	225.60ms	249.14ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
305.71 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
3.03ms	671.16ms	1688.99ms	691.55ms	1407.01ms	1503.80ms

Executed Query

fragment User on User {
  id
  username
  name
}

fragment Review on Review {
  id
  body
}

fragment Product on Product {
  inStock
  name
  price
  shippingEstimate
  upc
  weight
}

query TestQuery {
  users {
    ...User
    reviews {
      ...Review
      product {
        ...Product
        reviews {
          ...Review
          author {
            ...User
            reviews {
              ...Review
              product {
                ...Product
              }
            }
          }
        }
      }
    }
  }
  topProducts(first: 5) {
    ...Product
    reviews {
      ...Review
      author {
        ...User
        reviews {
          ...Review
          product {
            ...Product
          }
        }
      }
    }
  }
}

Variable Batching Throughput

Constant Load (50 VUs)

Requests/sec	Error Rate
23705.57 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.09ms	1.70ms	39.89ms	2.06ms	3.91ms	4.78ms

Ramping Load (0→50→500→50 VUs)

Requests/sec	Error Rate
18925.05 req/s	0.00%

📊 Response Time Metrics

Min	Med	Max	Avg	P90	P95
0.09ms	9.04ms	104.82ms	11.17ms	23.21ms	27.99ms

Executed Query

query TestQuery_8f7a46ce_2(
  $__fusion_1_upc: ID!
  $__fusion_2_price: Long!
  $__fusion_2_weight: Long!
) {
  productByUpc(upc: $__fusion_1_upc) {
    inStock
    shippingEstimate(weight: $__fusion_2_weight, price: $__fusion_2_price)
  }
}

Variables (5 sets batched in single request)

[
  { "__fusion_1_upc": "1", "__fusion_2_price": 899, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "2", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 },
  { "__fusion_1_upc": "3", "__fusion_2_price": 15, "__fusion_2_weight": 20 },
  { "__fusion_1_upc": "4", "__fusion_2_price": 499, "__fusion_2_weight": 100 },
  { "__fusion_1_upc": "5", "__fusion_2_price": 1299, "__fusion_2_weight": 1000 }
]

No baseline data available for comparison.

---

Run 21177905261 • Commit 1e8dbcd • Tue, 20 Jan 2026 16:07:52 GMT